Railway rolling stock – Locomotives – Electric
Patent
1981-08-24
1984-07-03
Reeves, Robert B.
Railway rolling stock
Locomotives
Electric
104 7B, 104 12, 180197, 303105, 318 52, 105 73, B60T 810
Patent
active
044572379
ABSTRACT:
A mobile track working machine arranged for intermittent advancement along the track comprises a drive, a brake for braking the driven wheels at respective working sites between the intermittent advancement of the machine, a speedometer generating a signal indicating the speed of advancement and a device generating a signal indicating the peripheral speed of the driven wheels. A fully electronically operated control arrangement for avoiding spinning of the driven wheels at the start of the advancement of the machine and locking of the wheels at braking includes a circuit having an input receiving the signals and an output connected to the drive and brake for constantly maintaining the nominal desired value of the drive and brake moments and for reducing the traction and brake forces in dependence on any drive or brake slippage.
REFERENCES:
patent: 2321059 (1943-06-01), Anderson
patent: 2735090 (1956-02-01), Maenpaa
patent: 3400776 (1968-09-01), Smith
patent: 3482887 (1969-12-01), Sheppard
patent: 3610362 (1971-10-01), Toyama et al.
patent: 3762333 (1973-10-01), Theurer et al.
Bock Gernot
Ganguly Mihir
Praschl Wilhelm
Theurer Josef
Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft mbH
Hubbuch David F.
Kelman Kurt
Reeves Robert B.
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